423352320 has 96 divisors (see below), whose sum is σ = 1354494960. Its totient is φ = 112885760.

The previous prime is 423352277. The next prime is 423352387. The reversal of 423352320 is 23253324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23830 + ... + 37610.

Almost surely, 2^423352320 is an apocalyptic number.

423352320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423352320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677247480).

423352320 is an abundant number, since it is smaller than the sum of its proper divisors (931142640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423352320 is a wasteful number, since it uses less digits than its factorization.

423352320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13811 (or 13791 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 423352320 is about 20575.5272107424. The cubic root of 423352320 is about 750.8744289913.

The spelling of 423352320 in words is "four hundred twenty-three million, three hundred fifty-two thousand, three hundred twenty".